00472naa a2200145 a 450000100080000000500110000800800410001910000190006024501470007926000090022665300170023565300230025265300080027577300430028310962921999-08-23       1983    bl ---       0--  u    #d1 aCARBONNEAU, A.  aMeasurement of gross photosynthesis under natural conditions by using a 14CO2 diffusion porometer.I.Description of some convenient techniques.  c1983  aFOTOSSINTESE  aTECNICA DE MEDICAO  aUVA  tPhotosyntheticagv.17, n.2, p.235-239.